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edge.h Example File
graphicsview/elasticnodes/edge.h

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** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
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** This file is part of the example classes of the Qt Toolkit.
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** accordance with the Qt Preview License Agreement provided with the
** Software.
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#ifndef EDGE_H
#define EDGE_H

#include <QGraphicsItem>

class Node;

class Edge : public QGraphicsItem
{
public:
    Edge(Node *sourceNode, Node *destNode);
    ~Edge();

    Node *sourceNode() const;
    void setSourceNode(Node *node);

    Node *destNode() const;
    void setDestNode(Node *node);

    void adjust();

    enum { Type = UserType + 2 };
    int type() const { return Type; }

protected:
    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

private:
    Node *source, *dest;

    QPointF sourcePoint;
    QPointF destPoint;
    qreal arrowSize;
};

#endif


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Qt 4.2.0-rc1